ISHIHARA, H. & ISHIYAMA, R. (1985)
Two new North Pacific skates (Rajidae) and a revised key to Bathyraja in the area. Japanese Journal of Ichthyology, 32 (2): 143–179
DOI: 10.1007/BF02938446
ISHIHARA, H. & ISHIYAMA, R. (1986)
Systematics and distribution of the skates of the north Pacific. In: Uyeno, T. & Arai, R. & Taniuchi, T. & Matsuura, K. (eds) Proceedings of the second international conference on Indo-Pacific fishes. Ichthyological Society of Japan, Tokyo: 269–280
DYLDIN, Y.V. (2015)
Annotated checklist of the sharks, batoids and chimaeras (Chondrichthyes: Elasmobranchii, Holocephali) from waters of Russia and adjacent areas. Publications of the Seto Marine Biological Laboratory, 43: 40–91